Power of Attorney for Marc Kermisch of Proto Labs Inc

The filing is a Power of Attorney document for Marc Kermisch, the Chief Technology & AI Officer of Proto Labs Inc. The document was signed on October 15, 2025, by Kareem S. Tawfic, Attorney-in-Fact, on behalf of Marc Kermisch. The filing indicates that Marc Kermisch does not own any securities in the company. The document is part of the SEC Form 3 filing, which is used to report initial ownership of securities by officers, directors, and beneficial owners of more than 10% of a class of equity securities of a company.